Sunrise in San Diego

The Sunrise Powerlink Project
Behind the Scenes

With 40 helicopters on contract, this 117-mile, 500-kilovolt transmission powerline construction job for San Diego Gas & Electric (SDG&E) in Southern California is one of the largest helicopter-assisted construction projects on record. See how the S-64 Aircrane fits into this massive undertaking in this cover story by Elan Head. As seen in the April/May 2012 issue of Vertical